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EN 10088-3:2005不銹鋼。一般用途耐腐蝕鋼的半成品、棒材、線材、型材和光亮產(chǎn)品的交貨技術(shù)條件
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EN 10028-7:2007壓力用鋼制扁平產(chǎn)品。不銹鋼
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EN 10217-7:2005壓力用焊接鋼管。不銹鋼管
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EN 10253-3:2008對(duì)焊管件。無特殊檢驗(yàn)要求的鍛造奧氏體和奧氏體-鐵素體（雙相）不銹鋼
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EN 10253-4:2008對(duì)焊管件。有特殊檢驗(yàn)要求的鍛制奧氏體和奧氏體-鐵素體（雙相）不銹鋼
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EN 10088-1:2005不銹鋼。不銹鋼清單
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EN 10088-5:2009不銹鋼。建筑用耐腐蝕鋼棒材、棒材、線材、型材和光亮產(chǎn)品的交貨技術(shù)條件
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EN 10088-4:2009不銹鋼。建筑用耐腐蝕鋼片/板和帶材交貨技術(shù)條件
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Equivalent grades:
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Chemical composition % of steel X2CrNiMo18-15-4 (1.4438): EN 10088-2-2005
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特定的硫含量范圍可以改善特定的財(cái)產(chǎn)。對(duì)于可加工性，建議并允許將硫含量控制在0.015%至0.030%之間。對(duì)于可焊性，建議并允許將硫含量控制在0.008%至0.030%之間。對(duì)于可極化性，建議將硫含量控制在最大0.015%。
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未經(jīng)買方同意，不得故意將本表中未列出的元素添加到鋼材中，除非對(duì)鑄件進(jìn)行精加工。
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C
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Si
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Mn
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Ni
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P
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S
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Cr
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Mo
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N
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max 0.03
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max 1
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max 2
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13 - 16
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max 0.045
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max 0.015
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17.5 - 19.5
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3月4日
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max 0.11
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Mechanical properties of steel X2CrNiMo18-15-4 (1.4438)
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Rm - Tensile strength (MPa) (+A)
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500-720
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Rm - Tensile strength (MPa) (+AT)
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490-690
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Rp0.2 0.2% proof strength (MPa) (+A)
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200-240
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Rp0.2 0.2% proof strength (MPa) (+AT)
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220
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KV - Impact energy (J) transverse, (+A)
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+20°
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-196°
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60
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60
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KV - Impact energy (J) longitud., (+A)
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+20°
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100
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A - Min. elongation at fracture (%) (+A)
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35-40
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A - Min. elongation at fracture (%) longitud., (+AT)
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35
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Brinell hardness (HB): (+A)
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215
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Brinell hardness (HB): (+AT)
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200
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